Which two statements describe how ultrasound technology produces an image of a baby before it is born?
A. An image is created based on the frequency of reflected X-rays.
B. Body tissues absorb high-frequency sound waves, producing an image.
C. An image is created based on the amount of time it takes for a sound wave to return.
D. Tissues in the baby's body reflect high-frequency sound waves.
Answers: 2
Physics, 21.06.2019 13:30
Determine the expected diffraction angle for the first-order reflection from the (310) set of planes for bcc chromium when monochromatic radiation of wavelength 0.0735 nm is used. the atomic radius for cr is 0.1249 nm.
Answers: 3
Physics, 22.06.2019 06:00
The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.
Answers: 2
Physics, 22.06.2019 11:00
If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c
Answers: 1
Physics, 22.06.2019 16:30
A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.
Answers: 2
Which two statements describe how ultrasound technology produces an image of a baby before it is bor...
Mathematics, 10.06.2020 03:57
Mathematics, 10.06.2020 03:57
English, 10.06.2020 03:57
Mathematics, 10.06.2020 03:57
English, 10.06.2020 03:57
Mathematics, 10.06.2020 03:57
Mathematics, 10.06.2020 03:57
English, 10.06.2020 03:57
English, 10.06.2020 03:57
Mathematics, 10.06.2020 03:57
History, 10.06.2020 03:57